this version is actually breaking spiceproxy, please use v2 (just sent) instead!
On July 18, 2023 2:51 pm, Fabian Grünbichler wrote:
> set_min/max_proto_version is recommended upstream nowadays, and it seems to be
> required for some reason if *only* TLS v1.3 is supposed to be enabled.
>
> querying via get_options gives us the union of
> - system-wide openssl defaults
> - our internal SSL defaults
> - flags configured by the user via /etc/default/pveproxy
>
> note that by default only 1.2 and 1.3 are enabled in the first place, so
> disabling either leaves a single version being set as both min and max.
>
> Signed-off-by: Fabian Grünbichler <f.gruenbich...@proxmox.com>
> ---
> /etc/default/pveproxy settings and their effect tested with sslscan
>
> src/PVE/APIServer/AnyEvent.pm | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/src/PVE/APIServer/AnyEvent.pm b/src/PVE/APIServer/AnyEvent.pm
> index 1fd7a74..e5a852b 100644
> --- a/src/PVE/APIServer/AnyEvent.pm
> +++ b/src/PVE/APIServer/AnyEvent.pm
> @@ -2012,6 +2012,23 @@ sub new {
> warn "Failed to set TLS 1.3 ciphersuites '$ciphersuites'\n"
> if !Net::SSLeay::CTX_set_ciphersuites($self->{tls_ctx}->{ctx},
> $ciphersuites);
> }
> +
> + my $opts = Net::SSLeay::CTX_get_options($self->{tls_ctx}->{ctx});
> + my $min_version = Net::SSLeay::TLS1_1_VERSION();
> + my $max_version = Net::SSLeay::TLS1_3_VERSION();
> + if ($opts & Net::SSLeay::OP_NO_TLSv1_1) {
> + $min_version = Net::SSLeay::TLS1_2_VERSION();
> + }
> + if ($opts & Net::SSLeay::OP_NO_TLSv1_2) {
> + $min_version = Net::SSLeay::TLS1_3_VERSION();
> + }
> + if ($opts & Net::SSLeay::OP_NO_TLSv1_3) {
> + die "misconfigured TLS settings - cannot disable all supported TLS
> versions!\n"
> + if $min_version == Net::SSLeay::TLS1_3_VERSION();
> + $max_version = Net::SSLeay::TLS1_2_VERSION();
> + }
> + Net::SSLeay::CTX_set_min_proto_version($self->{tls_ctx}->{ctx},
> $min_version);
> + Net::SSLeay::CTX_set_max_proto_version($self->{tls_ctx}->{ctx},
> $max_version);
> }
>
> if ($self->{spiceproxy}) {
> --
> 2.39.2
>
>
>
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>
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